Update TODO

TODO.md

@@ -2,6 +2,8 @@
 - [X] Unify memset/memcpy/free/malloc functions (remove SDL/lws dependency)
 - [ ] Revisit unit tests
 - [ ] Implement character sprites + animations
+  - [ ] Finalize initial character sprite for rendering
+    - [ ] Acquire Affinity Designer (so we can move on from Corel)
 - [ ] Implement memory pool
 - [ ] Fix gamepad mapping
   - [ ] Provide default mapping